误差系数

Correlation for isothermal oil compressibility was developed as a function of temperature, pressure and density data.

并建立了温度、压力和密度函数的原油压缩系数关联式，其对404个数据点的平均误差为2.96％。

The correlation rate of the standard curve was 0.999 8, and the digestion duration was 15 min at the temperature of 150℃. The relative deviation of the results were less than 2%, and the standard error was between 5% and 6%.

结果 标准曲线的相关系数r=0.9998，消解时间15 min、温度150℃，测定结果的相对标准偏差小于2%，相对误差在5%~6%之间，精密度与准确度均能满足要求。

Firstly, the concepts of dimensional element and dimensional element-chain are defined, and a geometric tolerancing model expressed by DE and its semantic mapping are also given. Secondly, the construction of DEC, the geometric measuring method for the calculation of error transfer coefficients of dimension-chain components and the realization of DECA are proposed.

首先定义尺素和尺素链等概念，并在此基础上建立尺寸公差的尺素表示模型及其语义映射；然后给出尺素链构造方法、计算误差传递系数的几何度量方法以及尺素链分析的实现方法。

This paper theoretically studies the design of the negative coefficient fourfold differential circuit formed by single operational amplifier.

从理论上研究了单块集成运算放大器构成的负系数四次微分电路的设计，着重分析了该电路的直流误差，并给出了电路的设计公式。

For convection dominated diffusion equations with constant coefficients, the implicit scheme is consistent,unconditionally stable and its L~2 error estimation is derived.

对常系数的对流占优扩散方程而言，基于一边有限差分和中心差分的隐格式是相容的并且无条件稳定，对应L~2误差估计被推导。

So we suggest a new method for the measurement of d〓 according to the SHG conversion efficiency at some non-phase-matching direction, the optimum focus parameter ofNPM SHG was given also.

在KTP晶体球中第Ⅰ类PM SHG实验中，我们通过转动晶体球，直接根据谐波输出的强度得到了SHG的相位匹配方向，从而避免了折射率测量或色散方程计算的误差，并得到了精确的KTP晶体完整的第Ⅰ类PM曲线，以及相应PM方向的有效非线性系数d〓，根据这个测量结果，我们对文献报道的六组色散方程进行了比较，认为由Vanherzeele和Bierlein给出的色散方程拟合精度最高。

In order to reduce error of experimental data treatment, to strengthen accuracy of the result in conductivity determination of the dissociation constant of acetic acid, and also to further synthesis of experiment for training students' ability to treat data and to graph with computer, both Excel and calculator with statistical function have been utilized to perform a linear regression analysis of temperature-limiting molal conductivity of acetic acid solution.

为了减少实验数据处理的误差，提高结果的准确性；也为了进一步加强实验的综合性，培养和提高学生应用计算机处理实验数据和作图的能力，本文在电导法测定醋酸解离常数的实验中分别采用Excel电子表格和具有统计功能的计算器对醋酸溶液的温度和极限摩尔电导率数据进行线性回归分析，得到一元线性回归方程和相关系数，进而确定实验温度下醋酸溶液的极限摩尔电导率。

Results showed that properly selected weighted factor can extend the perfect absorption angle at boundary to more than 60°,and the error of reflection coefficient is no more than 25%.

结果表明，选择合适的加权因子可以将边界处的完全吸收角度拓宽到60°以上，反射系数误差不超过2.5%。

Error correction coefficient and the impulse response plan shows that there will be a long period to adjust from the state of non-equilibrium to equilibrium.

通过误差修正系数和脉冲响应图可以判定，从非均衡状态向均衡状态的调整需要经历很长的一段时间。

Each tap has its individual time-variant step-size which adjusts with tap coefficient error variance.

每一个阀有自己的、随阀系数误差改变而调整的收敛步伐。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。